TOTAL VOLUME:
$154.4b
24H VOL:
$290,393,159
24H TRANSACTIONS:
2,984,640,614
OPEN INTEREST:
$1,944,100,805
420,493
Markets across
40,511
events
MATCHED EVENTS:
4,612
PLATFORM COVERAGE:
5
Polymarket:
37%
VS.
Kalshi:
63%
Closed: Oct 15, 12:26 PM EST
Polymarket
This market refers to the tennis match between Ana Sofia Sanchez and Rebeca Pereira in the W15 Maceio, Main Draw, originally scheduled for October 15, 2026 at 9:00AM ET. This market will resolve to 'Ana Sofia Sanchez' if Ana Sofia Sanchez advances against Rebeca Pereira. This market will resolve to 'Rebeca Pereira' if Rebeca Pereira advances against Ana Sofia Sanchez. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by October 29, 2026, 11:59 PM ET (14 days after the scheduled start), this market will resolve to 50-50. If the match begins but is not completed, and one player advances due to the opponent's retirement, default, or disqualification, this market will resolve to the player who advances. If the match ends in a walkover (player withdraws before the start and the other advances automatically), this market will resolve to 50-50. The primary resolution source will be official information from the International Tennis Federation (ITF). A consensus of credible reporting may also be used.
This market refers to the tennis match between Ana Sofia Sanchez and Rebeca Pereira in the W15 Maceio, Main Draw, originally scheduled for October 15, 2026 at 9:00AM ET. This market will resolve to 'Ana Sofia Sanchez' if Ana Sofia Sanchez advances against Rebeca Pereira. This market will resolve to 'Rebeca Pereira' if Rebeca Pereira advances against Ana Sofia Sanchez. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by October 29, 2026, 11:59 PM ET (14 days after the scheduled start), this market will resolve to 50-50. If the match begins but is not completed, and one player advances due to the opponent's retirement, default, or disqualification, this market will resolve to the player who advances. If the match ends in a walkover (player withdraws before the start and the other advances automatically), this market will resolve to 50-50. The primary resolution source will be official information from the International Tennis Federation (ITF). A consensus of credible reporting may also be used.
On Polymarket, this market is priced through a continuous auction mechanism, where traders buy and sell shares representing their belief in the outcome. The price of a share directly reflects the implied probability of that outcome occurring. As more people buy shares in a particular outcome, its price increases, and vice versa. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The market’s price is determined by supply and demand, and the platform facilitates this process by matching buyers and sellers. This dynamic pricing allows the market to quickly incorporate new information and adjust its predictions accordingly.
This market resolves around Oct 22, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. The resolution will be based on the official result of the W15 Maceio tennis match between Ana Sofia Sanchez and Rebeca Pereira. The platform will verify the result against widely available and trusted sources to ensure accuracy and transparency. The final result will determine which shares pay out, and the value of those shares will be determined by the market price at the time of resolution.
Several factors could influence the price of shares in this market. Any news regarding player form, injuries, or changes in playing conditions could significantly shift expectations. For example, reports of an injury to either Sanchez or Pereira would likely impact the odds. Unexpected results in other matches involving these players, or changes in the tournament schedule, could also play a role. General tennis news and analysis, as well as shifts in public sentiment, can all contribute to price movements in this market up until Oct 22, 2026.